Question

The weight of 72 books is 9kg. What is the weight of 40 such books. Pls answer me

Answer 1

weight of 72 books =9kg
Then, weight of 1 book =9/72
so,weight of 4o books =9/72×40=5kg

Answer 2

hi friend
here's your answer looking for
☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣☣

if 72 books weigh 9kg

then, let the weight of 40 books be x.

then,
$x = \frac{40 \times 9}{72} \\ x = 5kg$

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hope it's helpful to you
from brainly benefactor
Amaytripathi19